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Official data from INPI

MOLA A GÁS COM EFEITO DE TRAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8703813

Type

Invention Patent

Filing

07/10/1987

Publication

01/31/1989

Progress at the INPI

  1. Filing07/10/87
  2. Publication01/31/89
  3. Examination10/31/89
  4. Allowance02/25/92
  5. Grant03/30/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

COFAP - Companhia Fabricadora de Peças

SP, BR

See this company's full portfolio

Inventors

F. R. (pessoa física)

BR

M. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

10/13/1987

RPI 886

Carta-patente expirada

#21.1

Patente extinta em 10/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Deferimento

#9.1

02/25/1992

RPI 1108

Exigência - art. 36 da LPI

#6.1

06/18/1991

RPI 1072

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